Pith Number

pith:JGK6X3WH

pith:2014:JGK6X3WHMLKB6XUJ7OXVIO77A5

not attested not anchored not stored refs pending

A Riccati equation based approach to isotropic scalar field cosmologies

Francisco S. N. Lobo, M. K. Mak, Tiberiu Harko

arxiv:1402.4363 v2 · 2014-02-18 · gr-qc · astro-ph.CO · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JGK6X3WHMLKB6XUJ7OXVIO77A5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:51:08.053386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4995ebeec762d41f5e89fbaf543bff077e35f36624a240b5c91d17b1703d16ec

Aliases

arxiv: 1402.4363 · arxiv_version: 1402.4363v2 · doi: 10.48550/arxiv.1402.4363 · pith_short_12: JGK6X3WHMLKB · pith_short_16: JGK6X3WHMLKB6XUJ · pith_short_8: JGK6X3WH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JGK6X3WHMLKB6XUJ7OXVIO77A5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4995ebeec762d41f5e89fbaf543bff077e35f36624a240b5c91d17b1703d16ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4e6fc30da9c8f59bde67c00e4df468274a617bc439e1575f6b14769bf1799e6",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-02-18T14:55:03Z",
    "title_canon_sha256": "2e0470a0495913e21f006c8c3279a5670bf3ec91c031f665844299736357a068"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4363",
    "kind": "arxiv",
    "version": 2
  }
}